He has had a long list of TV and film credits to his name but he is still recognised for a role in a TV show he worked on 12 years ago that was cancelled after a short run.

Alan Tudyk has starred in Suburgatory, Arrested Development and Dodgeball but it's the series Firefly that has attracted a cult following.

...his daughter was you know, in her 20s, this young girl, holding onto a naked man with a rope, it was all very strange.

"People are coming to see me about something that I loved very much, but so long ago and so it's really fun for me to meet people who still feel as passionately about it now as they did a decade ago," Tudyk who is in Perth for Supanova told WAtoday.

Alan Tudyk. Photo: Getty

He is also recognised for his role in Death at a Funeral, where he played the role of Simon, a character failing dismally trying to impress his fiancee's father at a funeral and accidently taking a hallucinogenic drug instead of Valium on the way there.

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Most memorabily, he ends up naked on the roof of the house where the service is being held.

Tudyk said it was doing some homework that helped him play being high so convincingly.

"I read some studies on acid and different hallucinogens and some of the experiences that people had had."

He said he almost felt like he had been given "permission to do whatever I wanted to do because from one person to another, it changes, so you kind of knew that this drug did this and this drug gives you this kind of experience and so what I took was a mix of those drugs."

"That was the sort of intellectualising of it all and then afterwards you just kind of get into it...

"Once you get into that head space, it's almost like you are high, it was draining."

Draining is one description of the role, 'exposing' is another.

Tudyk said there were a lot of people on set during the shooting of the scene where he is naked.

He said despite being on location, for some reason much of the accounting staff were on set to watch that day as well as a safety officer who got to stand within a few feet of Tudyk as he stood naked with a safety rope around his ankle.

"The weirdest thing was I was sitting on the roof, you know the peak of the roof and for safety concerns they tied a rope around my foot and the way that the roof was, there was somebody right here and it was our head stunt guy and he was holding onto the end of the rope, so just a few feet from me naked is a man holding the rope around my leg, just watching me.

"He had other business one day and his daughter did it, and his daughter was you know, in her 20s, this young girl, holding onto a naked man with a rope, it was all very strange."

Tudyk is also well known for his role as Alpha in Dollhouse.

For those who watched the science fiction television show and had trouble keeping up with the last episode, it's OK, Tudyk admitted it was a complex plotline.

The program was about made to order 'dolls' that are humans who have temporary personalities and skills imprinted into their minds and hired out.

Tudyk admitted he did not really remember what went on in the last episode and said he did not really ask a lot of questions on set, instead he just followed instructions.

He is also the voice of many animated children's movie characters and said doing voices such as King Candy for Wreck-It-Ralph was a fun job.

"That one was fantastic, I mean, I loved the voice," Tudyk said.

"It flexes certain acting muscles but not others, you get to play in your imagination a lot more in a way that you don't get to in acting because it's a cartoon, you can do anything and everything, you can pull out props from your pockets, you can comment on other characters doing something because they haven't been animated yet."

Tudyk is in Perth for Supanova which opens today and continues tomorrow.

When asked about 'strange' fans or gifts he said it was difficult to judge 'strange' at a convention.

"Because what's strange outside of a convention versus what's strange inside a convention are not the same thing and that's one of the great things about conventions is there isn't judgement there," he said.

"That's truly what makes them great; you can have people dressed up in wild costumes.

"I've seen people, I've seen people dressed in super clothing, which tend to be very form-fitting outfits, who don't maybe have super bodies, but in a convention, they do, it looks good, that's the beauty of them [conventions.]"

One of those "hard to judge" gifts from a fan was a painting of Tudyk.

The painting depicted a naked Tudyk, with an impressive six pack, with some sort of wrap covering just the essentials as he sits high atop a horse, in some sort of hellscape.

The painting now hangs above the guest toilet in Tudyk's house.

Other than this weekend at Supanova, Tudyk can next be seen in further episodes of Suburgatory as Noah Werner and heard in the upcoming Disney movie, Frozen, which is out in November.

Tickets for the convention which is being held at Claremont Showgrounds, are available from Foxtix.